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Nicotine
Nicotine is a stimulant drug found in tobacco products that is highly addictive.
Agonist
A chemical or drug that binds to receptors in the brain and activates them, often mimicking the effects of naturally occurring substances.
PSPs
Post-synaptic potentials; changes in the membrane potential of the post-synaptic terminal of a neuron in response to neurotransmitters.
Sympathetic Nervous System
A part of the autonomic nervous system responsible for the body's 'fight or flight' response by increasing heart rate, blood pressure, and releasing adrenaline.
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